[1] In 1784, from the initiative of king Stanisław August Poniatowski, alongside Nowowiejska Street, the settlement of Nowa Wieś (lit.

[8] During the Second World War, while the city was under the German occupation, the Ringstand small bunker made from reinforced concrete was placed at the square.

[9][10] It was originally planned to remove and relocate it to the Polish Army Museum, however, it was ultimately decided to leave it in its current location.

[11] In 1944, during the Warsaw Uprising, the square and its surrounding area was a site of battle, which among others, included the Ruczaj Battalion of the Home Army.

[14] Between 1950 and 1952, around the southern portion of the square, socialist realistic multifamily buildings, with a colonnade and stores behind the arcade, were constructed.

[15] On 8 July 2012, at the square, the Rainbow art installation, made by Julita Wójcik, which consisted of a metal arch, covered in thousands of plastic colourful flowers, was unveiled.

Said association, and its location near the Church if the Holiest Saviour, caused numerous controversies and protests by conservative groups, with many calls for its removal.

[19] Between 2012 and 2014, the installation was set on fire by arsonists four more times, including by a large group of far-right rioters during the celebrations of the National Independence Day of Poland on 11 November 2013.